./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:06:31,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:06:31,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:06:31,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:06:31,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:06:31,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:06:31,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:06:31,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:06:31,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:06:31,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:06:31,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:06:31,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:06:31,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:06:31,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:06:31,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:06:31,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:06:31,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:06:31,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:06:31,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:06:31,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:06:31,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:06:31,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:06:31,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:06:31,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:06:31,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:06:31,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:06:31,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:06:31,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:06:31,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:06:31,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:06:31,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:06:31,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:06:31,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:06:31,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:06:31,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:06:31,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:06:31,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:06:31,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:06:31,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:06:31,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:06:31,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:06:31,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:06:31,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:06:31,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:06:31,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:06:31,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:06:31,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:06:31,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:06:31,367 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:06:31,367 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:06:31,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:06:31,368 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:06:31,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:06:31,370 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:06:31,370 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:06:31,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:06:31,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:06:31,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:06:31,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:06:31,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:06:31,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:06:31,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:06:31,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:06:31,372 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:06:31,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:06:31,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:06:31,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:06:31,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:06:31,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:06:31,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:06:31,377 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:06:31,378 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515 [2022-11-02 20:06:31,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:06:31,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:06:31,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:06:31,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:06:31,749 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:06:31,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-dietlibc/strchr-1.i [2022-11-02 20:06:31,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/data/108c19790/902ad55aaf1a44679d7479ec318ea4ae/FLAG2e2c8ed5c [2022-11-02 20:06:32,577 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:06:32,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/sv-benchmarks/c/termination-dietlibc/strchr-1.i [2022-11-02 20:06:32,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/data/108c19790/902ad55aaf1a44679d7479ec318ea4ae/FLAG2e2c8ed5c [2022-11-02 20:06:32,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/data/108c19790/902ad55aaf1a44679d7479ec318ea4ae [2022-11-02 20:06:32,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:06:32,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:06:32,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:06:32,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:06:32,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:06:32,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:06:32" (1/1) ... [2022-11-02 20:06:32,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f806b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:32, skipping insertion in model container [2022-11-02 20:06:32,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:06:32" (1/1) ... [2022-11-02 20:06:32,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:06:32,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:06:33,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:06:33,290 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:06:33,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:06:33,421 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:06:33,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33 WrapperNode [2022-11-02 20:06:33,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:06:33,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:06:33,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:06:33,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:06:33,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,509 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-02 20:06:33,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:06:33,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:06:33,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:06:33,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:06:33,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,544 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:06:33,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:06:33,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:06:33,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:06:33,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (1/1) ... [2022-11-02 20:06:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:33,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:33,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:33,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:06:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:06:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:06:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:06:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:06:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:06:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:06:33,783 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:06:33,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:06:34,047 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:06:34,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:06:34,055 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:06:34,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:06:34 BoogieIcfgContainer [2022-11-02 20:06:34,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:06:34,058 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:06:34,059 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:06:34,064 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:06:34,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:34,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:06:32" (1/3) ... [2022-11-02 20:06:34,067 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c0ebd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:06:34, skipping insertion in model container [2022-11-02 20:06:34,067 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:34,067 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:33" (2/3) ... [2022-11-02 20:06:34,068 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c0ebd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:06:34, skipping insertion in model container [2022-11-02 20:06:34,068 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:34,068 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:06:34" (3/3) ... [2022-11-02 20:06:34,070 INFO L332 chiAutomizerObserver]: Analyzing ICFG strchr-1.i [2022-11-02 20:06:34,211 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:06:34,211 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:06:34,211 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:06:34,212 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:06:34,212 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:06:34,212 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:06:34,212 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:06:34,212 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:06:34,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:06:34,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:06:34,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:06:34,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:06:34,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:06:34,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:06:34,291 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:06:34,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:06:34,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:06:34,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:06:34,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:06:34,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:06:34,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:06:34,306 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 17#L519true assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~the_int~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem2#1, strchr_#t~mem3#1, strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset, strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_#t~mem8#1, strchr_#t~mem9#1, strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset, strchr_#t~mem11#1, strchr_#t~mem12#1, strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 13#L509-2true [2022-11-02 20:06:34,311 INFO L750 eck$LassoCheckResult]: Loop: 13#L509-2true assume !false;call strchr_#t~mem2#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 16#L510true assume !(strchr_#t~mem2#1 == strchr_~ch~0#1);havoc strchr_#t~mem2#1;call strchr_#t~mem3#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 8#L510-2true assume !(0 == strchr_#t~mem3#1);havoc strchr_#t~mem3#1;strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 4#L511true assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 10#L511-2true assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset;call strchr_#t~mem8#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 15#L512true assume !(strchr_#t~mem8#1 == strchr_~ch~0#1);havoc strchr_#t~mem8#1;call strchr_#t~mem9#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 5#L512-2true assume !(0 == strchr_#t~mem9#1);havoc strchr_#t~mem9#1;strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset;call strchr_#t~mem11#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 14#L513true assume !(strchr_#t~mem11#1 == strchr_~ch~0#1);havoc strchr_#t~mem11#1;call strchr_#t~mem12#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 12#L513-2true assume !(0 == strchr_#t~mem12#1);havoc strchr_#t~mem12#1;strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset; 13#L509-2true [2022-11-02 20:06:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:06:34,325 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-02 20:06:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:06:34,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946567085] [2022-11-02 20:06:34,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:06:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:06:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:06:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:06:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:06:34,654 INFO L85 PathProgramCache]: Analyzing trace with hash 563131458, now seen corresponding path program 1 times [2022-11-02 20:06:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:06:34,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419916146] [2022-11-02 20:06:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:06:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:06:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:06:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:06:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:06:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -208288001, now seen corresponding path program 1 times [2022-11-02 20:06:34,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:06:34,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813246682] [2022-11-02 20:06:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:06:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:06:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:06:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:06:34,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:06:36,068 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:06:36,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:06:36,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:06:36,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:06:36,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:06:36,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:36,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:06:36,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:06:36,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr-1.i_Iteration1_Lasso [2022-11-02 20:06:36,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:06:36,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:06:36,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,147 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:36,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:06:37,409 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-02 20:06:48,535 WARN L234 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 295 DAG size of output: 185 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-02 20:06:48,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:06:48,699 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:06:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:48,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:48,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:06:48,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:48,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:48,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:06:48,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:48,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:48,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:48,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:06:48,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:06:48,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:48,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:06:48,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:48,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:48,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:06:48,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:48,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:48,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:06:48,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:48,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:48,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:48,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:06:48,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:06:48,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:48,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:06:48,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:48,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:48,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:48,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:06:48,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:48,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:48,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:06:48,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:48,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:48,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:48,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:06:48,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:06:48,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:48,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:06:48,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:48,908 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:48,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:06:48,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:48,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:48,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:06:48,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:48,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:48,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:48,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:06:48,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:06:48,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:48,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:06:48,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:48,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:48,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:48,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:48,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:06:48,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:48,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:48,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:48,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:49,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:06:49,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:06:49,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:49,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:06:49,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:49,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:49,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:49,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:06:49,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:49,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:49,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:06:49,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:06:49,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:06:49,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:06:49,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:06:49,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:06:49,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:06:49,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:06:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:49,098 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:06:49,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:06:49,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:06:49,118 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:06:49,118 INFO L204 nArgumentSynthesizer]: 146 loop disjuncts [2022-11-02 20:06:49,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:07:18,408 INFO L401 nArgumentSynthesizer]: We have 43508 Motzkin's Theorem applications. [2022-11-02 20:07:18,409 INFO L402 nArgumentSynthesizer]: A total of 292 supporting invariants were added. [2022-11-02 20:08:34,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 101 [2022-11-02 20:08:34,045 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) stderr output: (error "out of memory") [2022-11-02 20:08:34,047 FATAL L? ?]: A wrapped exception occured: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer threw an exception: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:664) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.doSynthesis(TerminationArgumentSynthesizer.java:404) at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:500) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:685) ... 18 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 26 more [2022-11-02 20:08:34,050 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.doSynthesis(TerminationArgumentSynthesizer.java:404) at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:500) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:685) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:664) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 26 more [2022-11-02 20:08:34,053 INFO L158 Benchmark]: Toolchain (without parser) took 121234.12ms. Allocated memory was 94.4MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 55.0MB in the beginning and 7.0GB in the end (delta: -7.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2022-11-02 20:08:34,054 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:08:34,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.33ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 65.5MB in the end (delta: -10.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:08:34,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.27ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 63.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:08:34,056 INFO L158 Benchmark]: Boogie Preprocessor took 37.95ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:08:34,057 INFO L158 Benchmark]: RCFGBuilder took 508.46ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 49.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:08:34,058 INFO L158 Benchmark]: BuchiAutomizer took 119993.59ms. Allocated memory was 94.4MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 49.7MB in the beginning and 7.0GB in the end (delta: -7.0GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-02 20:08:34,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.33ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 65.5MB in the end (delta: -10.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.27ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 63.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.95ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.46ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 49.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 119993.59ms. Allocated memory was 94.4MB in the beginning and 9.0GB in the end (delta: 8.9GB). Free memory was 49.7MB in the beginning and 7.0GB in the end (delta: -7.0GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-02 20:08:34,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb50a98-58d2-4484-84e9-e2b8228cfa69/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")